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Fluorescence enhancement of rare earth Tb(III) by Tm(III) in benzyl benzoylmethyl sulphoxide complexes.

Identifieur interne : 006140 ( Main/Exploration ); précédent : 006139; suivant : 006141

Fluorescence enhancement of rare earth Tb(III) by Tm(III) in benzyl benzoylmethyl sulphoxide complexes.

Auteurs : Wen-Xian Li [République populaire de Chine] ; Wen-Juan Chai ; Yu Liu ; Ying-Jie Li ; Tie Ren ; Jing Zhang ; Bo-Yang Ao

Source :

Luminescence : the journal of biological and chemical luminescence [ 1522-7243 ]

RBID : pubmed:22114050

Descripteurs français

KwdFr :
- Colorants fluorescents (), Colorants fluorescents (synthèse chimique), Fluorescence, Spectrométrie de fluorescence, Sulfoxydes (), Terbium (), Thulium ().
MESH :
- synthèse chimique : Colorants fluorescents.
- Colorants fluorescents, Fluorescence, Spectrométrie de fluorescence, Sulfoxydes, Terbium, Thulium.

English descriptors

KwdEn :
- Fluorescence, Fluorescent Dyes (chemical synthesis), Fluorescent Dyes (chemistry), Spectrometry, Fluorescence, Sulfoxides (chemistry), Terbium (chemistry), Thulium (chemistry).
MESH :
- chemical , chemical synthesis : Fluorescent Dyes.
- chemical , chemistry : Fluorescent Dyes, Sulfoxides, Terbium, Thulium.
- Fluorescence, Spectrometry, Fluorescence.

Abstract

A series of rare earth complexes [(Tb(x) Tm(y))L5 (ClO4)2](ClO4)·3H(2) O (x:y = 1.000:0.000, 0.999:0.001, 0.995:0.005, 0.990:0.010, 0.950:0.050, 0.900:0.100, 0.800:0.200, 0.700:0.300; L = C(6) H5 CH2 SOCH2 COC6 H5) (Tb(III) luminescence ion; Tm(III) doped inert ion) were synthesized and characterized by elemental analysis, infrared spectra (IR) and (1) H-NMR. The photophysical properties of these complexes were studied in detail using ultraviolet absorption spectra, fluorescent spectra and lifetimes. The fluorescence spectra of complexes indicated that the fluorescence emission intensity was significantly enhanced by Tm(III). The complexes showed the best luminescence properties when the mole ratio Tb(III):Tm(III) was 0.990:0.010. The fluorescence intensity could be increased to 390%. Additionally, phosphorescence spectra and the luminescence mechanisms are discussed.

DOI: 10.1002/bio.1368
PubMed: 22114050

Affiliations:

République populaire de Chine

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<front><div type="abstract" xml:lang="en">A series of rare earth complexes [(Tb(x) Tm(y))L5 (ClO4)2](ClO4)·3H(2) O (x:y = 1.000:0.000, 0.999:0.001, 0.995:0.005, 0.990:0.010, 0.950:0.050, 0.900:0.100, 0.800:0.200, 0.700:0.300; L = C(6) H5 CH2 SOCH2 COC6 H5) (Tb(III) luminescence ion; Tm(III) doped inert ion) were synthesized and characterized by elemental analysis, infrared spectra (IR) and (1) H-NMR. The photophysical properties of these complexes were studied in detail using ultraviolet absorption spectra, fluorescent spectra and lifetimes. The fluorescence spectra of complexes indicated that the fluorescence emission intensity was significantly enhanced by Tm(III). The complexes showed the best luminescence properties when the mole ratio Tb(III):Tm(III) was 0.990:0.010. The fluorescence intensity could be increased to 390%. Additionally, phosphorescence spectra and the luminescence mechanisms are discussed.</div>
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Fluorescence enhancement of rare earth Tb(III) by Tm(III) in benzyl benzoylmethyl sulphoxide complexes.

Fluorescence enhancement of rare earth Tb(III) by Tm(III) in benzyl benzoylmethyl sulphoxide complexes.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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